:root {
  --bg: #0d0d0f;
  --panel: #17171b;
  --panel-alt: #1d1d24;
  --red: #e11d2f;
  --red-soft: #ff3a4f;
  --text: #f5f5f7;
  --muted: #b8b8c2;
  --line: rgba(255,255,255,0.08);
  --success: #1bbf7a;
  --danger: #ff5b5b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #090909 0%, #141418 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: rgba(10,10,12,0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  font-weight: 900;
  letter-spacing: 0.2em;
  font-size: 1.2rem;
  color: var(--red-soft);
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-size: 12px;
  margin-left: 4px;
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 48px 0 32px;
}

.eyebrow {
  color: var(--red-soft);
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .8rem;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  line-height: 0.95;
  margin: 12px 0;
}

.hero p {
  color: var(--muted);
  line-height: 1.7;
  max-width: 620px;
}

.hero-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-alt));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 10px;
  padding: 0 18px;
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--red-soft), var(--red));
  border: none;
}

.btn.secondary {
  background: transparent;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 32px 0 60px;
}

.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: .2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 59, 79, 0.6);
}

.product-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.product-card .content {
  padding: 18px;
}

.category {
  color: var(--red-soft);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.product-card h3 {
  margin: 10px 0 8px;
}

.product-card p {
  color: var(--muted);
  line-height: 1.6;
  min-height: 70px;
}

.meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 14px 0;
  color: var(--muted);
}

.page {
  padding: 40px 0 80px;
}

.cart-box, .checkout-form, .checkout-summary, .admin-form, .admin-products {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th, .cart-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px 10px;
  text-align: left;
}

.cart-product {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cart-product img {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  object-fit: cover;
}

input, textarea, select, button {
  font: inherit;
}

input, textarea, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0e0f13;
  color: var(--text);
  margin-top: 8px;
}

.cart-summary {
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.summary-item, .admin-product {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.summary-total {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.empty-state, .success-box, .error-box {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  margin-top: 18px;
}

.success-box {
  border-color: rgba(27, 191, 122, 0.5);
}

.error-box {
  border-color: rgba(255, 91, 91, 0.6);
  color: #ffd1d1;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-products {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (max-width: 860px) {
  .products-grid,
  .checkout-grid,
  .admin-grid,
  .hero {
    grid-template-columns: 1fr;
  }

  nav {
    gap: 10px;
    font-size: 0.82rem;
  }
}